1 //===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains the entry points for global functions defined in the LLVM 11 // PowerPC back-end. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_TARGET_POWERPC_H 16 #define LLVM_TARGET_POWERPC_H 17 18 #include "MCTargetDesc/PPCBaseInfo.h" 19 #include "MCTargetDesc/PPCMCTargetDesc.h" 20 #include <string> 21 22 // GCC #defines PPC on Linux but we use it as our namespace name 23 #undef PPC 24 25 namespace llvm { 26 class PPCTargetMachine; 27 class FunctionPass; 28 class formatted_raw_ostream; 29 class JITCodeEmitter; 30 class Target; 31 class MachineInstr; 32 class AsmPrinter; 33 class MCInst; 34 class TargetMachine; 35 36 FunctionPass *createPPCBranchSelectionPass(); 37 FunctionPass *createPPCISelDag(PPCTargetMachine &TM); 38 FunctionPass *createPPCJITCodeEmitterPass(PPCTargetMachine &TM, 39 JITCodeEmitter &MCE); 40 void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, 41 AsmPrinter &AP, bool isDarwin); 42 43 namespace PPCII { 44 45 /// Target Operand Flag enum. 46 enum TOF { 47 //===------------------------------------------------------------------===// 48 // PPC Specific MachineOperand flags. 49 MO_NO_FLAG, 50 51 /// MO_DARWIN_STUB - On a symbol operand "FOO", this indicates that the 52 /// reference is actually to the "FOO$stub" symbol. This is used for calls 53 /// and jumps to external functions on Tiger and earlier. 54 MO_DARWIN_STUB = 1, 55 56 /// MO_LO16, MO_HA16 - lo16(symbol) and ha16(symbol) 57 MO_LO16 = 4, MO_HA16 = 8, 58 59 /// MO_PIC_FLAG - If this bit is set, the symbol reference is relative to 60 /// the function's picbase, e.g. lo16(symbol-picbase). 61 MO_PIC_FLAG = 16, 62 63 /// MO_NLP_FLAG - If this bit is set, the symbol reference is actually to 64 /// the non_lazy_ptr for the global, e.g. lo16(symbol$non_lazy_ptr-picbase). 65 MO_NLP_FLAG = 32, 66 67 /// MO_NLP_HIDDEN_FLAG - If this bit is set, the symbol reference is to a 68 /// symbol with hidden visibility. This causes a different kind of 69 /// non-lazy-pointer to be generated. 70 MO_NLP_HIDDEN_FLAG = 64 71 }; 72 } // end namespace PPCII 73 74 } // end namespace llvm; 75 76 #endif 77